Biology questions
20584 published questions with worked solutions.
- The structural alterations in a chromosome such as deletion, insertion and inversion is called
- Arrangement of eras, periods and epochs on the time scale in an order of evolution of organism is called
- Variations are the differences between individuals of the
- Mutation is also called as
- Transfer of genes between population that differ genetically from one another is called
- The proportion of an allele in the gene pool as compared with other alleles at the same locus is called
- The struggle between deer and giraffe for grass is _______ type of struggle for existence
- ′Archaeopteryx′ is a proof of close, evolutionary relationship between
- Population tends to increase in
- Which organism was studied for industrial melanism?
- ‘Hardy-Weinberg Law’ fails if _______ occurs in a population
- Which of the following are analogous organs?
- A branch of biology which deals with the study of development of an organism from the egg stage to adult stage is called
- When an original population is separated into two or more groups by environmental factors such as river, mountain, ocean, forest...
- Which stage of development provides concrete embryological evidence?
- Genetic recombination means
- Origin of new species is a result of
- Fossils are remnants of
- The early embryos of salamander, tortoise, chick and man are exactly similar because
- The human ancestor who showed both ape-like and man-like characters is